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Sahwan Hong, Taekjib Choi, Ji Hoon Jeon, Yunseok Kim, Hosang Lee, Ho-Young Joo, Inrok Hwang, Jin-Soo Kim, Sung-Oong Kang, Sergei V. Kalinin and Bae Ho Park Large Resistive Switching in Ferroelectric BiFeO3 Nano-Island Based Switchable Diodes Advanced Materials 25

Version of Record online: 28 FEB 2013 | DOI: 10.1002/adma.201204839

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Comparison between piezoelectric force microscopy images and current-voltage data consecutively obtained using conductive atomic force microscopy below transition voltages for a highly oriented ferroelectric BiFeO3 nano-island confirms that ferroelectric polarization reversal induces transitions of forward-direction, and thus down- and up-polarization is accompanied by positive- and negative-forward diode-like behavior, respectively.

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